TM 9-6115-669-13&P
TRANSFORMER T13
a.
Record labeling and position of cables of transformer T13 (8), loosen screws and remove cables.
b.
Remove four nuts (9), serrated lock washers (10), washers (11) and transformer TM (8).
INSPECTION
Inspect transformer and rectifier for discoloration due to overheating.
TEST
NOTE
For this test transformer T13 must be connected to rectifier V5 as shown
in figure 5-16.
a.
Connect 208 VAC power supply to transformer inputs.
Use the multimeter to check the following voltages:
(1) Input voltage to transformer T13 (8): 208 VAC phase to phase.
(2) Output VOLTAGE age of transformer T13: approximately 20 VAC phase to phase.
(3) Input voltage to rectifier V5 (6): Same as step (2).
(4) Output voltage of rectifier V5 approximately 26 VDC.
INSTALLATION
RECTIFIER V5
a
Install rectifier V5 (7) using two screws (4), serrated lock washers (5) and washers (6).
b.
Install cables to rectifier V5 (7) and tighten screws.
TRANSFORMER T13
a
Install transformer T13 (8) using four nuts (9), serrated lock washers (10) and washers (11).
b.
Install cables to transformer T13 (8) and tighten screws,
c.
Refer to paragraph 5.17 and install connection panel (12) with rubber flap.
d.
Install cables 116,117, and 118 on K3 contactor. Refer to paragraph 5.10.
e. Remove stanchion.
f.
Stow prop (3), close access door (2) and secure.
g.
Install stanchion by PDU (1).
5-45
